MM-38 Static Test Attempt #2

The first successful test of MM-38.
And it only took 2 years.

I’m making a note here: HUGE SUCCESS.

GLaDOS, Portal

Almost 2 years ago, I stepped out into a field, attempting to test this brand new motor I received, and utterly failed.

Today, I succeeded not only in testing … Read More

“Perigee-2” Rocket Launch

The troubled launch of Perigee-2, which chose to pursue its passion of skywriting instead of going up as planned.
Also the first launch which had been equipped with avionics (A simple altimeter)

It all looked so easy when you did it on paper
where valves never froze, gyros never drifted,
and rocket motors did not blow up in your face.

Milton W. Rosen, Rocket engineer, 1956

On the 14’th of this month, … Read More

“Perigee” Rocket Launch (BTIR-2)

A rather lengthy report detailing the fantastic launch of BTIR-2, which reached more than a 100 meters of altitude, and was recovered intact to boot!

Due to the complexities of launching a full rocket, I have split up this report into 4 sections:
Igniter, Type IIb, HQ
Launch Setup
The Launch

After years of development, and a month of preparation, the first fully successful … Read More

BTIR-2 Perigee Design & Plan

The design and philosophy of BTIR-2 ‘Perigee’
Featuring modular design, 3d printing, and cool looking blueprints.

After the eventful launch of BTIR-1, and some consultation with a very patient expert, it was decided that BTIR-1 had some stability issues.

BTIR-2 is here to try and rectify this, because learning from mistakes is how learning works.

First … Read More

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